Ken, who had thought he would have no connection with women for his entire life, suddenly finds himself living a rosy life. Aizuki, his mother's close friend, comes to visit for a stay. Ken, who had not expected much from his mother's friend, thinking she was just an aunt, finds his heart racing uncontrollably in the presence of the mature and alluring Aizuki. Unable to suppress his urges, Ken plans to use her freshly washed underwear as a treat while she is bathing... Unfortunately, they end up crossing paths...
